FieldServer FCI 7100 Series - Manual (Page 20)

FS-8700-112 Gamewell-FCI 7100 Driver Manual Page 20 of 20
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Appendix C.2. How Data is stored
All messages less than 102 characters long are discarded. All other messages are processed as follows:
 The driver determines if the message is a Zone, Relay, Loop, Sensor, Module or Panel message.
 The driver finds all Map Descriptors with matching ‘Point Type’ parameters.
 The event category is determined.
 Map Descriptor selection is refined according to the ‘Event Type’ specification.
 The driver determines the Loop. Relay, Zone, Sensor and Module numbers from the message and refines
its selection of Map Descriptors by selecting those that match the values determined from the message.
 The selected Map Descriptors are now used to determine a Data Array and offset at which to store the
data.
 Finally the driver checks the ‘Store As’ parameter. If it hasn’t been specified then ‘Index Value’ storage is
assumed. If it has been specified as ‘Bits’ then the driver will perform ‘Bit Storage’. In cases where the
Map Descriptor has both a primary and secondary Data Array, the driver will use ‘Index Value’ storage
using the primary data array and ‘Bit Storage’ using the secondary array.